12L 17s

This is the MOS which splits the small steps 1-2-1-2-1-2-1-1-2-1-1-2 between the large steps. Its generator is a near-perfect fourth of no less than 5/12edo (500 cents), and 53edo falls near the beginning of its boundary of "practicality" and its harmonic entropy minimum of exactly 4/3.

12/29					496.552
				53/128	496.875
			41/99		496.97
				70/169	497.041
		29/70			497.143
					497.211
				75/181	497.238
					497.254
			46/111		497.297
					497.353
				63/152	497.368
	17/41				497.561
				56/135	497.778
			39/94		497.842
					497.935
				61/147	497.959
					497.985
		22/53			498.113
					498.178
				49/118	498.305
			27/65		498.4615
				32/77	498.701
5/12					500